Filter housing



FIG. 1 is a front view of one embodiment of our design for a filter housing;

FIG. 2 is a left side view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a front, top and right side view thereof.

The areas shown in broken lines depict unclaimed subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a filter housing, as shown and described. 